Home / 8,051.20-12,076.04-2,856.80

Finding the Fourth Proportional to 8,051.20, 12,076.04 and 2,856.80

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Solution

The fourth proportional to 8,051.20, 12,076.04 and 2,856.80 is: 4,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.20 : 12,076.04 = 2,856.80 : x
  2. Step 2: Convert to fraction form
    8,051.20/12,076.04 = 2,856.80/x
  3. Step 3: Cross multiply
    8,051.20x = 12,076.04 × 2,856.80
  4. Step 4: Simplify right side
    8,051.20x = 34,498,831.07
  5. Step 5: Solve for x
    x = 34,498,831.07/8,051.20
  6. Step 6: Final answer
    x = 4,284.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.